text: exports.up = function(knex) {
    return knex.schema.table('users', users => {
      users.string('profile_pic');
    })
    .table('user_auth', user => {
      user.string('tkn_access');
      user.string('tkn_refresh');
    })
  };
  
  exports.down = function(knex) {
    return knex.schema.table('users', users => {
      users.dropColumn('profile_pic');
    })
    .table('user_auth', user => {
      user.dropColumn('tkn_access');
      user.dropColumn('tkn_refresh');
    })
  };
  